19129240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36787}}^1$

素因数の和:36811

約数の個数: 32

約数和(自身を含む): 46352880

約数和(自身を除く): 27223640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36787, 73574, 147148, 183935, 294296, 367870, 478231, 735740, 956462, 1471480, 1912924, 2391155, 3825848, 4782310, 9564620, 19129240]

約数ペア:

[(1, 19129240), (2, 9564620), (4, 4782310), (5, 3825848), (8, 2391155), (10, 1912924), (13, 1471480), (20, 956462), (26, 735740), (40, 478231), (52, 367870), (65, 294296), (104, 183935), (130, 147148), (260, 73574), (520, 36787)]